Create, manage & send professional invoices — completely offline. No subscriptions, no cloud required. Built for freelancers, agencies, and small businesses that value privacy and precision.
A complete invoicing toolkit — from creation to payment tracking, reporting, and beyond.
Create beautiful, itemized invoices with automatic tax calculation, discounts, and currency formatting. Every amount stored in minor units for absolute precision.
Maintain a full customer database with contact details, invoice history, and lifetime value tracking. Import/export with ease.
Track payments with status, method, receipt numbers, and timestamps. See outstanding balances at a glance with real-time dashboard updates.
Choose between local SQLite for complete offline privacy, or Supabase cloud for real-time sync, auth, and multi-device access. Switch anytime.
Generate professional PDF invoices and receipts. Send directly via SMTP with templated email bodies and PDF attachments — all from the app.
Interactive dashboards with revenue trends, customer analytics, and visual charts. Export reports to JSON and CSV for further analysis.
Local encryption for credentials, optional PIN-protected public invoice links with expiry and access logging. Role-based access for teams.
Set up automated recurring billing with deduplication logic and scheduling. Works client-side or server-side with Supabase Edge Functions.
Full branding customization — logos, colors, company identity, and public invoice URLs. Deploy as your own product for your clients.
No complex setup. No server management. Just install and start invoicing.
Download InvoCenter from the Microsoft Store. The setup wizard gets you running in seconds — no configuration needed.
Set your company identity, logo, currency, tax rates, and email settings. Everything branded to your business in seconds.
Create invoices, manage customers, track payments, generate PDF reports, and share public invoice links — all from one place.
Download free from the Microsoft Store. Upgrade with a license key when you're ready — no subscription required.
Get started at zero cost
forever free
Unlimited invoicing, zero watermarks
one-time payment
Access your data from anywhere
per year
Yes. By default, all your data is stored locally on your device using SQLite. Nothing leaves your computer unless you opt into Cloud Sync.
No. InvoCenter works fully offline. You only need the internet to activate a license key or use the optional Cloud Sync feature.
Yes. Pro Desktop and Cloud Sync licenses allow activation on up to 3 devices with the same license key.
Free gives you 5 invoices/month with a small "Made with InvoCenter" watermark on PDFs. Pro removes the watermark, unlocks unlimited invoices, recurring billing, email delivery, and public invoice links.
Yes, Cloud Sync is $35/year. It adds real-time sync powered by Supabase so you can access your invoices from any device. Pro Desktop is a one-time purchase of $45 with no recurring charges.
After purchasing, you'll receive a license key. Open InvoCenter → Settings → License & Plan → paste your key → Activate. That's it.
Yes. You can export invoices, customers, and reports to CSV and JSON at any time from the Reports screen. Your data is never locked in.
InvoCenter supports all major currencies and lets you configure custom tax rates (VAT, GST, etc.) per invoice or globally. Amounts are stored as integer minor units for absolute precision.
"InvoCenter replaced three different subscription tools for me. It's offline, blazing fast, and my invoices look 10× more professional than anything I had before."
"The one-time price is a no-brainer. I was paying $20/month for invoicing software that didn't even have half the features. InvoCenter is night and day."
"Running a small agency, I love that the data stays on my machine. PDF generation is instant, recurring invoices save hours every month, and Cloud Sync keeps my team in sync."
See exactly what you're paying for — and what you're not.
| Feature | FreshBooks | InvoCenter | Wave |
|---|---|---|---|
| Offline / no-internet mode | ✗ | ✓ | ✗ |
| One-time payment option | ✗ | ✓ | ✗ |
| Unlimited invoices (paid tier) | ✓ | ✓ | ✓ |
| PDF generation (no watermark) | ✓ | ✓ | ✓ |
| Your data stays on your device | ✗ | ✓ | ✗ |
| Recurring invoices | ✓ | ✓ | ✓ |
| Optional cloud sync | ✓ | ✓ | ✓ |
| Monthly cost (full features) | $19+/mo | $59 once | $16+/mo |
A full native mobile experience for InvoCenter is in development. Drop your email and we'll notify you the moment it launches.
Download InvoCenter free from the Microsoft Store. Create professional invoices in minutes — no account, no credit card, no monthly fees.